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  6. LA28/LK28-FC-Z/31/116

LA28/LK28-FC-Z/31/116 Fire protection thru-beam sensor

Key Benefits at a Glance

  • Compact fire protection photoelectric sensor for safety devices on fire barriers
  • Approval in accordance with VdS Test Report FSA and externally monitored manufacture (Ü Symbol)
  • Not sensitive to ambient light, even with switched energy saving lamps
Please contact us for exact delivery estimation.26 194,00 CZK Net price—your individual price will be shown during checkout process.
Preferred Type
Product photo: Fire protection thru-beam sensor LA28/LK28-FC-Z/31/116
Dimensions: Fire protection thru-beam sensor LA28/LK28-FC-Z/31/116
Product photo: Fire protection thru-beam sensor LA28/LK28-FC-Z/31/116
Dimensions: Fire protection thru-beam sensor LA28/LK28-FC-Z/31/116
Product Compliance: EU - protection class II
Product Compliance: Europe – CE
Product Compliance: EU - Ü
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetFunctionClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of LA28/LK28-FC-Z/31/116

Compact fire protection photoelectric sensor
Effective detection range0 ... 10 m
Threshold detection range10 m
Light sourceLED, 660 nm and IRED, 880 nm
Light typemodulated visible red light and modulated infrared light
Alignment aidLED red (in receiver lens)
illuminated constantly: beam is interrupted,
flashes: reaching switching point,
off: sufficient operating reserve
Diameter of the light spotapprox. 0.2 m at 10 m
Opening angleEmitter 1.2°,
Receiver 5°
Ambient light limit50000 Lux
MTTFd490 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Operation indicatorLED green
Function indicatorLED yellow:
1. LED lit constantly: signal > 2 x switching point (operating reserve)
2. LED flashes: signal between 1 x switching point and 2 x switching point
3. LED off: signal < switching point
Control elementsLight-on/dark-on changeover switch ; Time adjuster
Operating voltageUB12 ... 240 V AC/DC
Power consumptionP0≤ 3.5 VA
Switching typelight/dark on, switchable . (selectable, light/dark switching is only activated if the receiver has 'dark on' selected.)
Signal outputRelay, 1 alternator
Switching voltagemax. 250 V AC/DC
Switching currentmax. 2 A
Switching powerDC: max. 50 W AC: max. 500 VA
Switching frequencyf25 Hz
Response time20 ms
Timer functionON delay (GAN), OFF delay (GAB), one shot (IAB), ON delay-OFF delay (GAN-GAB), programmable
adjustment range 0.1 ...10 s
StandardsEN 60947-5-2
smoke insensitive up to 2 dB/m ( EN 54-12 )
Protection classII, rated insulation voltage ≤ 250 V AC with pollution degree 1-2 according to IEC 60664-1 Output circuit insulated from control circuit in accordance with IEC 61140.
Caution!
The protection class 2 is only valid when the terminal compartment is closed.
CCC approvalCertified by China Compulsory Certification (CCC)
ApprovalsVdS/DIBt certificate of compliance No. 25021 , approval number Z-6.510-2383
Ambient temperature-40 ... 60 °C (-40 ... 140 °F)
Storage temperature-40 ... 60 °C (-40 ... 140 °F)
Relative humidity30% ... 85%   non-condensing ; Non-icing
Degree of protectionIP67
Connectionterminal compartment with 8 spring-loaded terminals for wire cross section 0.5 ... 1.5 mm2 , Insulation stripping 7.5 ... 8.5 mm , M16 x 1.5 cable gland
Material
Housingplastic
Optical facePlastic pane
Mass200 g (emitter and receiver)
Dimensions
Height88 mm
Width25.8 mm
Depth65.5 mm
General Notes
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